Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

1 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

Genera

ted f

or

mem

ber

(Colu

mb

ia U

niv

ers

ity)

on 2

01

3-0

1-1

3 1

9:1

0 G

MT /

htt

p:/

/hdl.handle

.net/

20

27

/mdp.3

90

15

00

69

92

78

1Public

Dom

ain

in t

he U

nit

ed

Sta

tes,

Goog

le-d

igit

ized

/

htt

p:/

/ww

w.h

ath

itru

st.o

rg/a

ccess

_use

#pd-u

s-google

al-Muqtaṭaf. v.25 1900[al-Qāhirah, s.n.]

http://hdl.handle.net/2027/mdp.39015006992781

Public Domain in the United States,Google-digitizedhttp://www.hathitrust.org/access_use#pd-us-google

This work is deemed to be in the public domainin the United States of America. It may not bein the public domain in other countries. Copiesare provided as a preservation service. Particularlyoutside of the United States, persons receivingcopies should make appropriate efforts to determinethe copyright status of the work in their countryand use the work accordingly. It is possible thatheirs or the estate of the authors of individualportions of the work, such as illustrations, assertcopyrights over these portions. Depending onthe nature of subsequent use that is made, additionalrights may need to be obtained independentlyof anything we can address. The digital imagesand OCR of this work were produced by Google,Inc. (indicated by a watermark on each page inthe PageTurner). Google requests that the imagesand OCR not be re-hosted, redistributed or usedcommercially. The images are provided for educational,scholarly, non-commercial purposes.